/* Rounded Corners */
div#box{margin: 3em 20%;width:400px;background: #92AAF0}

b.btop, b.btop b, b.bbot, b.bbot b{
    display: block;height: 10px;font-size: 1px;
    background-image:url('images/rc/rc1.png');
    background-repeat: no-repeat}
b.btop b{background-position: 100% -10px}
b.bbot{background-position: 0 -20px}
b.bbot b{background-position: 100% -30px} 
